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Why do first births come so much earlier for low-ability women? A life-cycle model in which cognitive ability shifts how reliably contraception is used, not just opportunity costs.

I study how parental altruism shapes investment in college. Altruistic parents support children when resources are low, financing …

We estimate the U.S. federal fiscal imbalance at $202.9 trillion in perpetuity using Penn Wharton Budget Model microsimulations.